hey everyone, ok so my rack is now full im the proud owner of 4 balls now and i have a question i have three of them in my rack but the themorstat is saying 93* but i have another temp reader in the tubs and its saying 77 * so i dont know witch one to go off of i mean thats a big difference i know i need to get a temp gun but im workin on it plus it will take a week to get to me and i dont want to burn my babies what should i do